?

Average Error: 0.0 → 0.0
Time: 1.8s
Precision: binary32
Cost: 224

?

\[\left(\left(2.328306437 \cdot 10^{-10} \leq ux \land ux \leq 1\right) \land \left(2.328306437 \cdot 10^{-10} \leq uy \land uy \leq 1\right)\right) \land \left(0 \leq maxCos \land maxCos \leq 1\right)\]
\[\left(1 - ux\right) + ux \cdot maxCos \]
↓
\[ux \cdot \left(maxCos + -1\right) - -1 \]
(FPCore (ux uy maxCos) :precision binary32 (+ (- 1.0 ux) (* ux maxCos)))
↓
(FPCore (ux uy maxCos) :precision binary32 (- (* ux (+ maxCos -1.0)) -1.0))
float code(float ux, float uy, float maxCos) {
	return (1.0f - ux) + (ux * maxCos);
}
↓
float code(float ux, float uy, float maxCos) {
	return (ux * (maxCos + -1.0f)) - -1.0f;
}

real(4) function code(ux, uy, maxcos)
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = (1.0e0 - ux) + (ux * maxcos)
end function
↓
real(4) function code(ux, uy, maxcos)
    real(4), intent (in) :: ux
    real(4), intent (in) :: uy
    real(4), intent (in) :: maxcos
    code = (ux * (maxcos + (-1.0e0))) - (-1.0e0)
end function

function code(ux, uy, maxCos)
	return Float32(Float32(Float32(1.0) - ux) + Float32(ux * maxCos))
end
↓
function code(ux, uy, maxCos)
	return Float32(Float32(ux * Float32(maxCos + Float32(-1.0))) - Float32(-1.0))
end

function tmp = code(ux, uy, maxCos)
	tmp = (single(1.0) - ux) + (ux * maxCos);
end
↓
function tmp = code(ux, uy, maxCos)
	tmp = (ux * (maxCos + single(-1.0))) - single(-1.0);
end

\left(1 - ux\right) + ux \cdot maxCos
↓
ux \cdot \left(maxCos + -1\right) - -1

Error?

Try it out?

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation?

  1. Initial program 0.0

    \[\left(1 - ux\right) + ux \cdot maxCos \]

  2. Applied egg-rr0.0

    \[\leadsto \color{blue}{ux \cdot \left(maxCos + -1\right) - -1} \]

  3. Final simplification0.0

    \[\leadsto ux \cdot \left(maxCos + -1\right) - -1 \]

Alternatives

Alternative 1
Error0.0
Cost224
\[\left(1 - ux\right) + ux \cdot maxCos \]
Alternative 2
Error0.6
Cost96
\[1 - ux \]
Alternative 3
Error9.2
Cost32
\[1 \]

Error

Reproduce?

herbie shell --seed 2023097 
(FPCore (ux uy maxCos)
  :name "UniformSampleCone, z"
  :precision binary32
  :pre (and (and (and (<= 2.328306437e-10 ux) (<= ux 1.0)) (and (<= 2.328306437e-10 uy) (<= uy 1.0))) (and (<= 0.0 maxCos) (<= maxCos 1.0)))
  (+ (- 1.0 ux) (* ux maxCos)))